.imgAnmations {
    position : fixed;
    top:50%;
    left:50%;
    z-index:99999;
    height:80%;
    width: auto;
    transform: translate(-50%,-50%);
    transition: all 1s ease;
}
.allHidden {
    position: absolute;
    top:0;
    left:0;
    z-index:9999;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,.5);
}